A character actor who often stole scenes from her top-billed co-stars, Melanie Lynskey was one of Hollywood's most familiar faces on television and in film. After her explosive feature film debut as a teenage murderess in "Heavenly Creatures" (1994), Lynskey was often relegated to supportive roles, like playing a sweet stepsister in "Ever After: A Cinderella Story" (1998), a vaguely trashy best...